Ambassador Nicholas Burns is Professor of the Practice of Diplomacy and International Politics at the Harvard Kennedy School. He was Under Secretary of State for Political Affairs from 2005 to 2008 and served as the U.S. Ambassador to NATO (2001-2005) and to Greece (1997-2001), among other appointments.

Ambassador Stuart Holliday is the President and CEO of Meridian International Center, a leading non-partisan public diplomacy institution that strengthens international understanding through the exchange of people, ideas and culture. He served as United States Ambassador for Special Political Affairs at the United Nations (2003-2005) and was Special Assistant to the President and Associate Director of Presidential Personnel at the White House under George W. Bush.

Sir David Manning is a co-founder of Gatehouse Advisory Partners, a group which draws on the deep experience of senior professionals in international affairs to provide institutions with a geopolitical understanding in order to achieve strategic and commercial objectives. He served as the British Ambassador to the United States from 2003-2007 under Prime Minister Tony Blair.